170Pc Drill Bit Set (DBS170)GENERAL WORKSHOP Ideal economy option for busy workshops. HIGH PERFORMANCE STEEL manufactured from high performance steel these drill bits will perform well in a range of drilling applications. STORAGE CASE Heavy duty storage case made from steel has a moulded rigid insert to securely store the drill bits. STANDARDS Manufactured to DIN338 standards. KIT CONTENTS 1mm x 10 1. 5mm x 10 2mm x 10 2. 5mm x 10 3mm x 10 3. 5mm x 10 4mm x 10 4. 5mm x 10 5mm x